🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 11.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.81 AU - 0.89 AU

Year: 514 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,769,031 km

• M1: 148,850 km (0.097 R)
• M2: 540,946 km (0.062 R)
• M3: 913,145 km (0.075 R)
• M4: 1,289,384 km (0.116 R)
• M5: 1,824,496 km (0.096 R)
• M6: 2,439,492 km (0.079 R)
• M7: 3,200,198 km (0.092 R)
• M8: 3,837,634 km (0.083 R)
• M9: 4,207,739 km (0.049 R)
• M10: 4,959,020 km (0.09 R)
• M11: 5,730,047 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 8.3

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.86 AU - 0.88 AU

Year: 532 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,769,031 km

• M1: 103,223 km (0.117 R)
• M2: 368,908 km (0.06 R)
• M3: 694,882 km (0.107 R)
• M4: 953,238 km (0.112 R)
• M5: 1,629,869 km (0.039 R)
• M6: 2,172,759 km (0.116 R)
• M7: 2,542,865 km (0.087 R)
• M8: 2,820,069 km (0.117 R)
• M9: 3,589,900 km (0.026 R)
• M10: 4,600,284 km (0.113 R)
• M11: 5,179,976 km (0.045 R)
• M12: 5,699,380 km (0.073 R)
• M13: 6,329,486 km (0.107 R)
• M14: 6,761,525 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 8.6

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.22 AU - 1.74 AU

Year: 1181 Days

Day: 8.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,769,031 km

• M1: 106,962 km (0.086 R)
• M2: 461,360 km (0.081 R)
• M3: 1,073,814 km (0.112 R)
• M4: 1,476,980 km (0.067 R)
• M5: 1,793,529 km (0.106 R)
• M6: 2,077,017 km (0.086 R)
• M7: 2,552,738 km (0.054 R)
• M8: 3,527,069 km (0.07 R)
• M9: 4,028,521 km (0.092 R)
• M10: 4,407,153 km (0.086 R)
• M11: 5,070,620 km (0.096 R)
• M12: 5,732,142 km (0.06 R)
• M13: 6,049,139 km (0.114 R)
• M14: 6,522,467 km (0.073 R)
• M15: 7,200,295 km (0.092 R)
• M16: 7,677,812 km (0.116 R)
• M17: 8,755,066 km (0.116 R)
• M18: 9,176,333 km (0.117 R)
• M19: 9,454,286 km (0.109 R)
• M20: 10,223,070 km (0.118 R)
• M21: 10,826,548 km (0.071 R)
• M22: 11,206,825 km (0.069 R)
• M23: 12,741,699 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.7

Radius: 9.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.54 AU - 3.04 AU

Year: 3057 Days

Day: 8.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,769,031 km

• M1: 125,213 km (0.109 R)
• M2: 458,966 km (0.114 R)
• M3: 971,189 km (0.114 R)
• M4: 1,313,021 km (0.063 R)
• M5: 1,852,470 km (0.119 R)
• M6: 2,154,509 km (0.114 R)
• M7: 2,475,097 km (0.107 R)
• M8: 2,941,543 km (0.095 R)
• M9: 3,616,080 km (0.076 R)
• M10: 4,218,660 km (0.104 R)
• M11: 4,793,714 km (0.057 R)
• M12: 5,295,765 km (0.099 R)
• M13: 5,623,833 km (0.056 R)
• M14: 7,758,295 km (0.07 R)
• M15: 8,182,405 km (0.061 R)
• M16: 8,900,475 km (0.101 R)
• M17: 9,220,764 km (0.034 R)
• M18: 9,734,333 km (0.062 R)
• M19: 11,473,558 km (0.059 R)
• M20: 11,810,752 km (0.105 R)
• M21: 13,738,171 km (0.103 R)
• M22: 14,850,880 km (0.068 R)
• M23: 15,918,410 km (0.038 R)
• M24: 18,491,793 km (0.117 R)
• M25: 19,847,000 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.8

Radius: 10.5

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.64 AU - 3.74 AU

Year: 4650 Days

Day: 11.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,769,031 km

• M1: 130,599 km (0.116 R)
• M2: 481,556 km (0.043 R)
• M3: 1,187,358 km (0.082 R)
• M4: 2,312,334 km (0.079 R)
• M5: 2,736,145 km (0.071 R)
• M6: 3,231,912 km (0.085 R)
• M7: 3,609,497 km (0.101 R)
• M8: 4,135,184 km (0.061 R)
• M9: 4,658,926 km (0.042 R)
• M10: 6,023,708 km (0.055 R)
• M11: 6,598,762 km (0.083 R)
• M12: 7,386,544 km (0.119 R)
• M13: 8,351,152 km (0.07 R)
• M14: 8,904,364 km (0.115 R)
• M15: 12,044,424 km (0.061 R)
• M16: 12,597,337 km (0.104 R)
• M17: 12,957,868 km (0.11 R)
• M18: 14,026,296 km (0.114 R)
• M19: 15,152,469 km (0.098 R)
• M20: 16,398,769 km (0.045 R)
• M21: 18,295,969 km (0.083 R)
• M22: 21,776,064 km (0.075 R)
• M23: 22,900,741 km (0.077 R)
• M24: 23,593,679 km (0.074 R)
• M25: 23,984,727 km (0.077 R)
• M26: 25,674,585 km (0.072 R)
• M27: 26,675,096 km (0.111 R)
• M28: 28,312,145 km (0.115 R)
• M29: 31,219,131 km (0.079 R)
• M30: 31,690,663 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.8

Radius: 14.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.66 AU - 4.72 AU

Year: 5626 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,769,031 km

• M1: 181,612 km (0.059 R)
• M2: 1,071,869 km (0.088 R)
• M3: 2,111,873 km (0.101 R)
• M4: 2,702,336 km (0.071 R)
• M5: 3,402,304 km (0.051 R)
• M6: 4,837,546 km (0.116 R)
• M7: 5,513,729 km (0.109 R)
• M8: 6,414,607 km (0.103 R)
• M9: 6,986,969 km (0.083 R)
• M10: 7,630,239 km (0.042 R)
• M11: 8,312,705 km (0.076 R)
• M12: 9,800,157 km (0.101 R)
• M13: 10,288,444 km (0.115 R)
• M14: 14,344,790 km (0.109 R)
• M15: 16,230,920 km (0.113 R)
• M16: 18,210,998 km (0.1 R)
• M17: 18,747,156 km (0.052 R)
• M18: 19,432,165 km (0.113 R)
• M19: 21,144,462 km (0.117 R)
• M20: 22,569,831 km (0.115 R)
• M21: 24,541,830 km (0.064 R)
• M22: 25,778,855 km (0.08 R)
• M23: 27,755,940 km (0.079 R)
• M24: 28,556,438 km (0.082 R)
• M25: 29,647,605 km (0.106 R)
• M26: 30,203,660 km (0.079 R)
• M27: 31,240,972 km (0.11 R)
• M28: 32,497,295 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.4

Radius: 3.6

Gravity: 37.76 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.76 AU - 6.1 AU

Year: 9473 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,769,031 km

• M1: 45,478 km (0.037 R)
• M2: 165,455 km (0.098 R)
• M3: 323,580 km (0.088 R)
• M4: 980,614 km (0.076 R)
• M5: 1,204,712 km (0.08 R)
• M6: 1,449,005 km (0.105 R)
• M7: 1,583,045 km (0.087 R)
• M8: 1,830,180 km (0.108 R)
• M9: 2,019,571 km (0.088 R)
• M10: 2,382,645 km (0.052 R)
• M11: 3,707,634 km (0.116 R)
• M12: 5,022,150 km (0.103 R)
• M13: 5,553,821 km (0.06 R)
• M14: 6,261,269 km (0.114 R)
• M15: 6,951,514 km (0.092 R)
• M16: 8,481,302 km (0.112 R)
• M17: 9,648,464 km (0.11 R)
• M18: 10,221,723 km (0.081 R)
• M19: 11,175,260 km (0.117 R)
• M20: 11,753,606 km (0.092 R)
• M21: 13,084,129 km (0.047 R)
• M22: 13,373,451 km (0.104 R)
• M23: 13,608,021 km (0.076 R)
• M24: 17,185,654 km (0.089 R)
• M25: 21,104,669 km (0.072 R)
• M26: 21,662,968 km (0.063 R)
• M27: 24,167,835 km (0.051 R)
• M28: 24,341,518 km (0.062 R)
• M29: 24,515,800 km (0.091 R)
• M30: 25,400,222 km (0.087 R)
• M31: 26,305,738 km (0.115 R)
• M32: 27,703,880 km (0.068 R)
• M33: 28,663,102 km (0.079 R)
• M34: 31,363,194 km (0.083 R)
• M35: 33,147,298 km (0.058 R)
• M36: 35,779,772 km (0.087 R)
• M37: 38,077,146 km (0.112 R)
• M38: 39,023,053 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.9

Radius: 4.5

Gravity: 26.96 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.41 AU - 10.31 AU

Year: 18786 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,769,031 km

• M1: 56,249 km (0.118 R)
• M2: 534,513 km (0.115 R)
• M3: 682,017 km (0.066 R)
• M4: 1,461,870 km (0.064 R)
• M5: 1,809,237 km (0.106 R)
• M6: 2,312,933 km (0.093 R)
• M7: 2,620,356 km (0.113 R)
• M8: 3,913,779 km (0.118 R)
• M9: 4,647,407 km (0.077 R)
• M10: 6,636,162 km (0.116 R)
• M11: 7,720,746 km (0.083 R)
• M12: 8,608,161 km (0.104 R)
• M13: 9,182,766 km (0.113 R)
• M14: 11,059,771 km (0.115 R)
• M15: 11,550,601 km (0.077 R)
• M16: 12,184,298 km (0.117 R)
• M17: 12,575,496 km (0.113 R)
• M18: 15,934,866 km (0.119 R)
• M19: 18,621,345 km (0.047 R)
• M20: 21,218,812 km (0.096 R)
• M21: 22,457,782 km (0.079 R)
• M22: 22,946,817 km (0.054 R)
• M23: 24,149,584 km (0.05 R)
• M24: 24,974,467 km (0.096 R)
• M25: 27,784,663 km (0.114 R)
• M26: 30,321,544 km (0.109 R)
• M27: 33,895,586 km (0.092 R)
• M28: 36,249,509 km (0.118 R)
• M29: 49,338,275 km (0.039 R)
• M30: 50,664,161 km (0.054 R)
• M31: 50,999,410 km (0.06 R)
• M32: 51,843,740 km (0.027 R)
• M33: 54,784,236 km (0.098 R)
• M34: 57,651,429 km (0.115 R)
• M35: 62,329,354 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.9

Radius: 3.5

Gravity: 67.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.17 AU - 10.51 AU

Year: 21812 Days

Day: 21.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 85,769,031 km

• M1: 43,533 km (0.11 R)
• M2: 170,542 km (0.05 R)
• M3: 407,953 km (0.033 R)
• M4: 527,033 km (0.108 R)
• M5: 729,290 km (0.101 R)
• M6: 1,019,958 km (0.116 R)
• M7: 1,550,283 km (0.08 R)
• M8: 1,806,993 km (0.084 R)
• M9: 3,180,600 km (0.106 R)
• M10: 3,814,297 km (0.095 R)
• M11: 4,076,542 km (0.073 R)
• M12: 6,038,668 km (0.066 R)
• M13: 6,259,624 km (0.119 R)
• M14: 8,442,257 km (0.03 R)
• M15: 9,524,148 km (0.1 R)
• M16: 10,504,164 km (0.082 R)
• M17: 11,215,652 km (0.099 R)
• M18: 13,768,390 km (0.051 R)
• M19: 14,778,026 km (0.074 R)
• M20: 19,027,054 km (0.065 R)
• M21: 19,984,032 km (0.079 R)
• M22: 21,889,759 km (0.116 R)
• M23: 26,998,377 km (0.097 R)
• M24: 27,597,366 km (0.093 R)
• M25: 27,960,889 km (0.074 R)
• M26: 30,082,037 km (0.081 R)
• M27: 36,644,746 km (0.099 R)
• M28: 37,526,626 km (0.097 R)
• M29: 40,257,086 km (0.083 R)
• M30: 42,149,200 km (0.094 R)
• M31: 43,443,072 km (0.064 R)
• M32: 43,934,950 km (0.073 R)
• M33: 47,309,878 km (0.113 R)
• M34: 48,004,910 km (0.042 R)
• M35: 50,491,376 km (0.119 R)
• M36: 51,949,955 km (0.065 R)
• M37: 58,462,997 km (0.068 R)
• M38: 62,745,985 km (0.112 R)
• M39: 64,431,055 km (0.065 R)
• M40: 67,452,034 km (0.091 R)
• M41: 72,158,533 km (0.052 R)
• M42: 76,840,049 km (0.118 R)
• M43: 79,743,743 km (0.117 R)
• M44: 82,468,968 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 10,524 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit